334 GLOSSARY. 



Ala : wing or side petal of a Papilionaceous corolla. 



Alate: winged. 



Albumen : endosperm or reserve material stored in the seed. 



Albuminous : having an endosperm or reserve material stored in the 



seed outside of the embryo. 

 Alburnum: sap-wood. 

 Aleurone: albuminous granular bodies in seeds, having the same 



reaction as protoplasm. 

 Alliaceous : ^ike the Onion (Allium). 

 Alpine : growing on mountains. 

 Alternate : one above, or between, the other. 

 Alveolate : with pits like honey-comb. 

 Ament, or Catkin : a scaly spike of flowers. 

 Amentaceous : having aments or catkins. 

 Amorphous: without definite. form; pot crystalline. 

 Amphiearpous : having fruit of two kinds. 



Amphigastria: the small leaves or scales on the underside of Liver- 

 worts. 

 Amphitropous ovule: inverted, with a short raphe, and the hilum 



near the middle of one side. 

 Amplexicaul : clasping the stem. 

 Amylaceous : starchy. 

 Analogy : resemblance as to function. 



Anastomosing : uniting end to end, and forming a npt-work, as veins. 

 Anatiropous ovule : inverted, so the hilum is close to the orifice and 



the chalaza at the top. 

 Andrcecium: the stamens taken collectively. 

 Anem^hilous flowers : those whose fertilization (or pollination) is 



effected by the agency of the wind. 

 Angiocargom : with the hy menium (or spore-bearing layer) immersed 



in a cavity (peritheciuna). 

 Angioaperm : an angiospermous plant, or one with an ovary. 

 Angmspermous : with seeds in ovaries..,. 

 Angular divergence: the angle formed by vertical planes passing 



through the leaves and the centre of the stem. 

 Annual: yearly; living but . one year; fruiting and dying the 



first year. 

 Annular: ringed; having rings ; ring-shaped. 

 Annuhis : the thickened ring in sporangia of many Ferns, and at 



the mouth of the spore-cases of Mosses. 

 Anther : the part pf the stamen, which contains the pollen, 

 Antheridium: the male reproductive organ in Cryptogams, whose 



function corresponds to that of stamens in Fhsenogams, 

 Antkeriferous : bearing anthers. 

 Anthesis: flowering; the time or act of flowering. 

 Antispasmodio : that which prevents spasms or convulsions, 

 Apetalous : without petals. 



Apez : the top ; the point of the leaf opposite the petiole. 

 Aphyllous : destitute of leaves. 

 Apical: pertaining to the apex. 



